diff --git a/services/api/requirements.in b/services/api/requirements.in
index 19c6536c..1a6e096a 100644
--- a/services/api/requirements.in
+++ b/services/api/requirements.in
@@ -21,7 +21,7 @@ psycopg[binary]>=3.1      # Postgres driver (prod). Locked here so `--require-ha
 ifcopenshell>=0.8.0,<0.9
 openpyxl>=3.1
 numpy>=1.26
-ifctester>=0.8
+ifctester>=0.8.5
 trimesh>=4.0
 manifold3d>=2.0
 scipy>=1.11